1. Introduction
The ZWO ASI2600MM-Pro is a high-performance monochrome astronomy camera designed for advanced deep-sky and solar system imaging. It features an APS-C 26-megapixel CMOS sensor with high quantum efficiency, minimizing noise and exposure times. Integrated TEC cooling reduces sensor temperature to enhance performance for faint astronomical objects. This camera is suitable for capturing nebulae, galaxies, supernova remnants, star clusters, and solar system objects. It supports color imaging with external color or narrowband filters.
The camera includes a 256MB DDR3 memory buffer for stable data transfer and a USB3.0 port for fast capture rates. It is intended for use with refractor or reflector telescopes mounted on a solid equatorial mount capable of accurate sky tracking. Additional accessories like autoguiders or focal reducers may be required for optimal results. Software and drivers are available from the manufacturer's website.
2. Product Overview and Features

Figure 2.1: ZWO ASI2600MM-Pro Cooled Monochrome Astronomy Camera.
The ASI2600MM-Pro camera offers several key features:
- High-Resolution Imaging: Equipped with an advanced APS-C (23.5mm x 15.7mm) CMOS sensor, providing 6248x4176 (26 megapixel) resolution for detailed astronomical captures.
- Integrated TEC Cooling: Reduces sensor temperature to 35°C below ambient, enabling low-noise imaging of faint deep-sky objects.
- Fast Data Transfer: USB3.0 interface allows transfer speeds up to 3.5 frames per second at maximum resolution.
- DDR3 Buffer: A 256MB DDR3 buffer ensures quick and stable data transfer and minimizes amp glow.
- USB2.0 Hub: Includes a separate USB2.0 hub for powering accessories such as autoguiding cameras and electronic focusers (accessories not included).
- Durable Construction: Features a compact, attractive red anodized CNC aluminum body designed for robust field use.
- Versatile Connectivity: Connects to telescope focusers or accessories using included T-threaded adapters.
3. What's in the Box
The ZWO ASI2600MM-Pro package includes the following components:

Figure 3.1: Included accessories with the ZWO ASI2600MM-Pro camera.
- Camera body (x1)
- Cover (x1)
- T2-M48 (16.5mm) adapter (x1)
- T2 Extender (21mm) (x1)
- Quick Guide (x1)
- M42-M48 adapter (x1)
- USB2.0 Cable (0.5m x 2)
- USB3.0 Cable (2m)
- Hexagon wrench (x1)
- Camera bag (x1)
4. Setup
Proper setup is crucial for optimal performance of your ASI2600MM-Pro camera.
4.1 Connecting to a Telescope

Figure 4.1: Side view of the camera with connection ports.
- Attach the appropriate T-threaded adapter (T2-M48 or T2 Extender) to the camera body.
- Connect the camera assembly to your telescope's focuser. Ensure a secure connection to prevent movement during imaging.
- For optimal results, mount your telescope on a solid equatorial mount capable of accurately tracking celestial motion.
4.2 Power and Data Connection
- Connect the USB3.0 cable from the camera to your computer for high-speed data transfer.
- A separate 12V@3A power supply (not included) is required to power the camera and its TEC cooler. Connect this power supply to the camera's power input port.
- Utilize the integrated USB2.0 hub for connecting and powering additional accessories like autoguiding cameras or electronic focusers.
4.3 Software and Drivers
Before operating the camera, ensure all necessary software and drivers are installed on your computer. These are compatible with Mac OS X and Windows (32-bit and 64-bit) and can be downloaded from the official ZWO manufacturer's website. Refer to the Quick Guide for initial setup instructions.
5. Operating the Camera
The ASI2600MM-Pro is designed for astrophotography and requires specialized software for operation and image acquisition.
5.1 Image Acquisition

Figure 5.1: Front view of the camera, highlighting the sensor.
- Use compatible astronomy imaging software (e.g., ASCOM-compatible applications, ZWO's ASIAIR, or other third-party software) to control the camera.
- Configure exposure settings, gain, and cooling parameters within the software.
- The camera's high quantum efficiency and low read noise contribute to capturing maximum detail in your astrophotos.
5.2 TEC Cooling Operation

Figure 5.2: Diagram illustrating the anti-dew heater within the camera.
- The TEC (Thermoelectric Cooler) system actively cools the sensor to reduce thermal noise, which is critical for long-exposure astrophotography.
- Activate and set the target temperature for the TEC cooler via your imaging software. Ensure the 12V power supply is connected for cooling functionality.
- The camera also features an anti-dew heater to prevent condensation on the sensor window, which can be controlled via software.
5.3 Performance Characteristics

Figure 5.3: Performance graph detailing read noise, full well capacity, gain, and dynamic range.

Figure 5.4: Quantum Efficiency (QE) curve showing sensor response across different wavelengths.

Figure 5.5: Dark current performance relative to sensor temperature.
The provided graphs illustrate key performance metrics of the ASI2600MM-Pro, including read noise, full well capacity, dynamic range, quantum efficiency, and dark current characteristics. These graphs are essential for understanding the camera's capabilities and optimizing imaging parameters for various astronomical targets.
6. Maintenance
To ensure the longevity and optimal performance of your ZWO ASI2600MM-Pro camera, follow these maintenance guidelines:
- Cleaning: Keep the camera body and sensor window clean. Use a soft, lint-free cloth for the exterior. For the sensor window, use specialized optical cleaning solutions and tools designed for camera sensors. Avoid touching the sensor directly.
- Storage: When not in use, store the camera in its protective bag or a dry, dust-free environment. Avoid extreme temperatures and humidity.
- Anti-Dew Heater: Regularly check the functionality of the anti-dew heater, especially in humid conditions, to prevent condensation on the sensor window.
- Connections: Periodically inspect all cable connections (USB, power) for wear or damage. Ensure they are securely seated during operation.
7. Troubleshooting
If you encounter issues with your ASI2600MM-Pro camera, consider the following troubleshooting steps:
- Camera Not Detected:
- Ensure all USB cables are securely connected to both the camera and the computer.
- Verify that the necessary drivers are correctly installed. Reinstall drivers from the ZWO website if needed.
- Try a different USB port or cable.
- Cooling Not Working:
- Confirm that the 12V power supply is connected and providing adequate power (3A minimum).
- Check cooling settings within your imaging software.
- Image Quality Issues (Noise, Amp Glow):
- Ensure TEC cooling is active and the sensor temperature is stable.
- Verify that the 256MB DDR3 buffer is functioning correctly (this is typically automatic).
- Review your gain and exposure settings. High gain or very long exposures in warm conditions can increase noise.
- Condensation on Sensor Window:
- Activate the anti-dew heater via your imaging software.
- Ensure the camera has reached thermal equilibrium with the ambient temperature before cooling significantly.
For persistent issues or advanced troubleshooting, refer to the comprehensive documentation on the ZWO website or contact ZWO technical support directly.
8. Specifications
Detailed technical specifications for the ZWO ASI2600MM-Pro camera:
| Feature | Specification |
|---|---|
| Model Name | 2600MM-P |
| Sensor Type | APS-C CMOS (Monochrome) |
| Sensor Size | 23.5mm x 15.7mm (28.3mm diagonal) |
| Resolution | 6248 x 4176 (26 Megapixels) |
| Pixel Size | 3.76 µm |
| ADC | 16-bit |
| Read Noise | 1.0e- (at high gain) |
| Full Well Capacity | 50,000e- |
| DDR3 Buffer | 256MB |
| Interface | USB3.0, USB2.0 Hub |
| Max FPS (Full Resolution) | 3.5 fps |
| Cooling System | TEC (Thermoelectric Cooler), up to 35°C below ambient |
| Power Requirement | 12V @ 3A (for camera and TEC cooler, not included) |
| Compatible Devices | Mac OS X, Windows (32-bit and 64-bit) |
| Item Weight | 2 Kilograms (4.4 pounds) |
| Dimensions (approx.) | Diameter 90mm, Length 97mm (excluding adapters) |
9. Warranty and Support
Warranty: The ZWO ASI2600MM-Pro camera typically comes with a 2-year manufacturer's warranty. Please retain your proof of purchase for warranty claims.
Software and Drivers: All necessary software and drivers for the camera are available for download from the official ZWO website. It is recommended to regularly check for updates to ensure optimal performance and compatibility.
Technical Support: For technical assistance, detailed FAQs, or further documentation, please visit the official ZWO website or contact their customer support directly. Online forums and communities dedicated to ZWO products can also be valuable resources for user-generated solutions and advice.
Official ZWO Website: Visit the ZWO Store on Amazon (for general product information and links to official resources).





